:root {
  --bg: #0f1420;
  --bg-soft: #131a29;
  --card: #171f31;
  --card-hover: #1b2438;
  --fg: #e7ebf4;
  --muted: #93a0b8;
  --line: #26314a;
  --line-soft: #1e2839;
  --accent: #34d399;
  --accent-strong: #10b981;
  --accent-dim: rgba(52, 211, 153, .12);
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, .12);
  --ok: #34d399;
  --warn: #fbbf24;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(52, 211, 153, .06), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(56, 130, 246, .05), transparent 60%),
    var(--bg);
  color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent-strong); text-decoration: underline; }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 20, 32, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
nav {
  max-width: 1020px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: .3px;
  color: var(--fg);
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand-logo { height: 30px; width: auto; display: block; border-radius: 6px; }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; margin-left: 8px; }
.nav-links a {
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .92rem;
  transition: background .15s ease, color .15s ease;
}
.nav-links a:hover { background: var(--accent-dim); color: var(--accent); text-decoration: none; }
.nav-logout { margin-left: auto; }

main {
  flex: 1;
  width: 100%;
  max-width: 1020px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* ---------- Pie con firma y licencia ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  background: var(--bg-soft);
  padding: 20px;
}
.footer-inner {
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
}
.footer-logo { height: 44px; width: auto; display: block; }
.footer-inner a { color: var(--accent); }
.footer-licenses {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2px;
}
.footer-licenses img {
  border-radius: 6px;
  background: rgba(255, 255, 255, .04);
  padding: 3px;
}

/* ---------- Tipografía y bloques ---------- */
h1 { font-size: 1.45rem; letter-spacing: -.01em; margin: 0 0 6px; }
h2 { font-size: 1.08rem; margin-top: 28px; }
.hint { color: var(--muted); font-size: .9rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 16px 0;
}

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .6px;
}
tbody tr { transition: background .12s ease; }
tbody tr:hover { background: rgba(255, 255, 255, .02); }
.nowrap { white-space: nowrap; }

/* ---------- Botones ---------- */
button, .linklike {
  appearance: none;
  background: var(--accent);
  color: #07130d;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter .15s ease, transform .05s ease;
}
button:hover { filter: brightness(1.08); }
button:active { transform: translateY(1px); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button.danger { background: var(--danger-dim); color: var(--danger); border-color: rgba(248, 113, 113, .35); }
button.danger:hover { background: rgba(248, 113, 113, .2); filter: none; }
button.linklike { background: none; border: 0; color: var(--muted); padding: 6px 10px; font: inherit; font-weight: 500; }
button.linklike:hover { color: var(--accent); filter: none; }
.inline { display: inline; }
form.inline button { padding: 4px 10px; font-size: .82rem; border-radius: 7px; background: var(--bg-soft); color: var(--fg); border: 1px solid var(--line); }
form.inline button:hover { border-color: var(--accent); color: var(--accent); }
form.inline button.danger { color: var(--danger); border-color: rgba(248, 113, 113, .35); background: var(--danger-dim); }
.copy { margin-left: 8px; padding: 3px 10px; font-size: .8rem; }

/* ---------- Formularios ---------- */
input, select {
  background: var(--bg-soft);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  font: inherit;
  margin: 4px 0;
  transition: border-color .15s ease;
}
input:focus, select:focus { border-color: var(--accent); outline: none; }
label { display: block; margin-top: 12px; color: var(--muted); font-size: .88rem; }

/* ---------- Avisos flash ---------- */
.flashbox { max-width: 1020px; margin: 14px auto 0; padding: 0 20px; }
.flash {
  padding: 11px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: .92rem;
  animation: slide-in .2s ease;
}
.flash.ok { background: var(--accent-dim); color: var(--ok); border: 1px solid rgba(52, 211, 153, .35); }
.flash.error { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(248, 113, 113, .35); }
@keyframes slide-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ---------- Varios ---------- */
.bad { color: var(--danger); }
.verdict { font-size: .84rem; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.v-ok { color: var(--ok); background: var(--accent-dim); border: 1px solid rgba(52, 211, 153, .3); }
.v-warn { color: var(--warn); background: rgba(251, 191, 36, .12); border: 1px solid rgba(251, 191, 36, .3); }
.v-fail { color: var(--danger); background: var(--danger-dim); border: 1px solid rgba(248, 113, 113, .35); }
.v-na { color: var(--muted); }
.row-actions { display: flex; gap: 10px; margin: 12px 0 4px; flex-wrap: wrap; }
.code { font-size: 2.2rem; font-weight: 800; letter-spacing: 6px; color: var(--accent); }
pre.email-body {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 20px;
  font: 13.5px/1.65 ui-monospace, "Cascadia Code", Menlo, monospace;
}
.pager { display: flex; gap: 16px; margin: 16px 0; }

/* ---------- Login (estilo KMTRACKER) ---------- */
.login-box {
  max-width: 360px;
  margin: 56px auto 0;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  text-align: center;
}
.login-box input[type="password"] { width: 100%; margin-top: 8px; text-align: left; }
.login-box button[type="submit"] { width: 100%; margin-top: 14px; padding: 10px; }
.login-logo { width: 132px; height: auto; display: block; margin: 0 auto 12px; border-radius: 12px; }
.login-hint { color: var(--muted); font-size: .93rem; margin: 0 0 1.2rem; }
.login-note { text-align: center; max-width: 420px; margin: 14px auto 0; }

@media (max-width: 640px) {
  nav { padding: 10px 14px; gap: 10px; }
  main { padding: 20px 14px 40px; }
  .nav-links { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  table { display: block; overflow-x: auto; }
  .site-footer { justify-content: center; text-align: center; }
}